/* #include<iostream>
#include<vector>
using namespace std;
int n;
void dfs(int x){
	if(x==n){
		for(int i=0;i<n
	}
}
int main(){
	cin>>n;
	dfs(0);
} */
#include<iterator>
#include<vector>
using namespace std;
int main(){
	vactor<int> a;
	for(int i=0;i<10;i++)
		a.push_back(i);
	iterator::vactor<int>p;
	p=a;
	cout<<p;
	p++;
	cout<<p;
}